Here are some other DT related websites that you may find useful...
Technology Student.com- A one-stop shop for all things D&T.
Instructables- Learn how to make anything.
Mr. D&T.com- A useful website from Mr K.Cooper.
National Council of Maths Teachers- Cubes and nets.
How It's Made- YouTube Channel.
How Stuff Works- From fraud to preservation to biomimicry
BBC Bitesize DT- A good place for DT revision needs.
Imagination.org- Home of the cardboard challenge.
Make.do- A lighter website similar to above.
Stem.org- Science Technology, Engineering and Maths Website.
Cabaret.co.uk- Automata's and mechanical theatre etc
Robives- Paper models and animations
Design Museum- from inspiration to explanations about traditional and contemporary design.
Famous engineers- and their engineering feats.
Famous designers- and their designs.
Famous inventors- and their inventions.
BBC News- Science.
BBC News- Technology- Technology.
Software...
The Bridge Designer- A very light, easy to use bridge building software.
Techsoft 2D Design- A demo version of the go-to 2D design software
Tinkercad- Simple 3D design software
Fusion 360- A more advanced 3D design software programme